1317618264 has 32 divisors (see below), whose sum is σ = 3297208320. Its totient is φ = 438784416.

The previous prime is 1317618241. The next prime is 1317618317. The reversal of 1317618264 is 4628167131.

It is a super-2 number, since 2×1317618264² = 3472235779252747392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312 + ... + 51335.

It is an arithmetic number, because the mean of its divisors is an integer number (103037760).

Almost surely, 2^1317618264 is an apocalyptic number.

It is an amenable number.

1317618264 is an abundant number, since it is smaller than the sum of its proper divisors (1979590056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1317618264 is a wasteful number, since it uses less digits than its factorization.

1317618264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52719 (or 52715 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 1317618264 is about 36299.0118873779. The cubic root of 1317618264 is about 1096.3011475551.

The spelling of 1317618264 in words is "one billion, three hundred seventeen million, six hundred eighteen thousand, two hundred sixty-four".